Journal of Conservative Dentistry
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Year : 2009  |  Volume : 12  |  Issue : 3  |  Page : 109-113

The effect of cavity disinfectants on the sealing ability of dentin bonding system: An in vitro study

Departments of Conservative Dentistry and Endodontics, College of Dental Sciences, Davangere, Karnataka, India

Correspondence Address:
Vivek Sharma
A-176, Gujranwala Town, Part - 1, Delhi - 110 009
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.57634

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Aim: This study was conducted to determine the effect of three cavity disinfectants (chlorhexidine gluconate based-Consepsis; benzalkonium chloride-based Tubulicid Red, iodine-potassium iodide/copper-sulphate based Ora-5) on the microleakage of a dentin bonding system, Clearfil SE Bond. Materials and Methods: Class V cavities were prepared on 45 extracted molars. The respective experimentalgroups were treated with cavity disinfectants and Clearfil SE Bond. Preparations without cavity disinfectants served as negative control and those with neither disinfectant nor dentin bonding resin application served as positive controls. After the cavity preparations were restored with resin composite (Clearfil APX), the specimens were subjected to dye penetration. Statistical analysis was performed using ANOVA (Kruskal-Wallis) test. Results: Unlike Conspesis and Tubulicid Red, Ora-5 exhibited significantly higher microleakage and adversely affected the sealing ability of Clearfil SE bond. Only Consepsis and Tubulicid Red could be used as cavity disinfectants with Clearfil SE bond, without its sealing abilities being adversely affected. Conclusions: 1) Consepsis and Tubulicid Red can be used as cavity disinfectants with Clearfil SE Bond, without the sealing ability of Clearfil SE bond being affected. 2) Ora-5 is not an appropriate disinfectant to be used with this dentin bonding system, because it alters its sealing ability.

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